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120123310220 = 2256006165511
BaseRepresentation
bin110111111011111101…
…0000100000010001100
3102111001121012102022122
41233313322010002030
53432003031411340
6131103415232112
711451524201264
oct1576772040214
9374047172278
10120123310220
1146a425279a1
121b345078638
13b4348ccbb4
145b578847a4
1531d0c11db5
hex1bf7e8408c

120123310220 has 12 divisors (see below), whose sum is σ = 252258951504. Its totient is φ = 48049324080.

The previous prime is 120123310211. The next prime is 120123310259. The reversal of 120123310220 is 22013321021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3003082736 + ... + 3003082775.

It is an arithmetic number, because the mean of its divisors is an integer number (21021579292).

Almost surely, 2120123310220 is an apocalyptic number.

120123310220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120123310220 is an abundant number, since it is smaller than the sum of its proper divisors (132135641284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120123310220 is a wasteful number, since it uses less digits than its factorization.

120123310220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6006165520 (or 6006165518 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 120123310220 its reverse (22013321021), we get a palindrome (142136631241).

The spelling of 120123310220 in words is "one hundred twenty billion, one hundred twenty-three million, three hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 6006165511 12012331022 24024662044 30030827555 60061655110 120123310220